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a) Three equivalent charges 2.0 micro coulomb each, are held fixed at the three corners of an equilateral triangle of side 5 cm. Determine the Coulomb force experienced at its centre.
b) An electric field of 20N/C exists along the X-axis in space. Measure the potential difference VB-VA where the points A and B are given by (a) A = (0,0) and B = (4,2) metre.
(b) A = (4,2) meter and B=(6,5) metre.
Q. Explain Mirror - Lens Equation? A central equation in optics relates the focal length, object distance and image distance for a thin lens or mirror. This equation is general
Stefan-Boltzmann law (Stefan, L. Boltzmann): The radiated power P (it is rate of emission of electromagnetic energy) of hot body is proportional to the radiating surface area,
Q. Define: grating element. The combined width of a slit as well as a ruling in a plane diffraction grating is called as a grating element.
Production of electricity by pressure: Certain crystals and semiconductors produce an emf between two opposite faces when the mechanical pressure on them is either increased or
The line density of charge in a wire is 0.20 Cm-1. If this wire is symmetrically enclosed along its length by a cylindrical surface of radius 1.0 m and length 1.5 m, calculate
Is this wavelength in vacuum? Answer; as per mass of CPH is constant, and Vc is for an alone CPH, so wavelength should be in vacuum, that there is not any gravity effect. But i
sir, what are the apparatus required for the magnometer experiment and how to do it.TO finnd the magnetic materials. wsihing an speedy reply
Josephson effects (B.D. Josephson; 1962) Electrical effects observed while two superconducting materials are separated through a thin layer of insulating material.
Write the mathematical relation for the resistivity of a material in terms of relaxation time, number density and mass and charge of charge carriers in it. Describe, using this rel
Q. Illustrate what does gravitational force depend on? Answer:- The Gravitational force depends on distance as well as mass. Therefore the formula for calculating gravitat
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